Covert MIMO Communications under Variational Distance Constraint
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2021
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866918096561766400 |
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| author | Wang, Shi-Yuan Bloch, Matthieu R. |
| author_facet | Wang, Shi-Yuan Bloch, Matthieu R. |
| contents | The problem of covert communication over Multiple-Input Multiple-Output (MIMO) Additive White Gaussian Noise (AWGN) channels is investigated, in which a transmitter attempts to reliably communicate with a legitimate receiver while avoiding detection by a passive adversary. The covert capacity of the MIMO AWGN is characterized under a variational distance covertness constraint when the MIMO channel matrices are static and known. The characterization of the covert capacity is also extended to a class of channels in which the legitimate channel matrix is known but the adversary's channel matrix is only known up to a rank and a spectral norm constraint. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2102_11336 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Covert MIMO Communications under Variational Distance Constraint Wang, Shi-Yuan Bloch, Matthieu R. Information Theory The problem of covert communication over Multiple-Input Multiple-Output (MIMO) Additive White Gaussian Noise (AWGN) channels is investigated, in which a transmitter attempts to reliably communicate with a legitimate receiver while avoiding detection by a passive adversary. The covert capacity of the MIMO AWGN is characterized under a variational distance covertness constraint when the MIMO channel matrices are static and known. The characterization of the covert capacity is also extended to a class of channels in which the legitimate channel matrix is known but the adversary's channel matrix is only known up to a rank and a spectral norm constraint. |
| title | Covert MIMO Communications under Variational Distance Constraint |
| topic | Information Theory |
| url | https://arxiv.org/abs/2102.11336 |